Regressions on trunk at revision 229279 vs revision 229263

[Bill Schmidt]

New failures:
FAIL: g++.dg/torture/pr67600.C   -O0  (test for excess errors)
FAIL: g++.dg/torture/pr67600.C   -O1  (test for excess errors)
FAIL: g++.dg/torture/pr67600.C   -O2 -flto -fno-use-linker-plugin -flto-partition=none  (test for excess errors)
FAIL: g++.dg/torture/pr67600.C   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  (test for excess errors)
FAIL: g++.dg/torture/pr67600.C   -O2  (test for excess errors)
FAIL: g++.dg/torture/pr67600.C   -O3 -fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer -finline-functions  (test for excess errors)
FAIL: g++.dg/torture/pr67600.C   -O3 -g  (test for excess errors)
FAIL: g++.dg/torture/pr67600.C   -Os  (test for excess errors)
UNRESOLVED: gcc.dg/tree-ssa/operand-equal-2.c scan-tree-dump forwprop2 "v = . 0, 0, 0, 0 ."
UNRESOLVED: g++.dg/torture/pr67600.C   -O0  compilation failed to produce executable
UNRESOLVED: g++.dg/torture/pr67600.C   -O1  compilation failed to produce executable
UNRESOLVED: g++.dg/torture/pr67600.C   -O2  compilation failed to produce executable
UNRESOLVED: g++.dg/torture/pr67600.C   -O2 -flto -fno-use-linker-plugin -flto-partition=none  compilation failed to produce executable
UNRESOLVED: g++.dg/torture/pr67600.C   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  compilation failed to produce executable
UNRESOLVED: g++.dg/torture/pr67600.C   -O3 -fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer -finline-functions  compilation failed to produce executable
UNRESOLVED: g++.dg/torture/pr67600.C   -O3 -g  compilation failed to produce executable
UNRESOLVED: g++.dg/torture/pr67600.C   -Os  compilation failed to produce executable

New passes: